Across
1
Unit of energy
4
Infectious microscopic agent
5
Group of similar cells
7
Basic unit of life
Down
2
Preserved remains of ancient life
3
Tectonic landmass section
6
Center of an atom or cell
8
Form of thermal energy
Unit of energy
Infectious microscopic agent
Group of similar cells
Basic unit of life
Preserved remains of ancient life
Tectonic landmass section
Center of an atom or cell
Form of thermal energy